I never understood why he did not get the recognition Bonham or Moon or Appice got..

I hear you.

I can only guess it's because, unlike Moon and Bonham, he's still with us......he never went out in a well publicised "blaze of glory." And unlike Carmine, he hasn't spent a lifetime making sure others are well versed in his level of influence......i.e. talking up his own book. :-)